By city

Tokyo conferences

50 events catalogued in Tokyo, 27 forthcoming across 2026 and 2027, 23 prior. Click any entry for the full editorial profile: speakers, sponsors, sessions, cross-event company graph.

The best Tokyo conferences in 2026 and 2027

Data as of October 8, 2026

10 picks from 27 upcoming Tokyo conferences, ranked by verified program depth: the speakers and sponsors each event publishes on its own site. How we verify.

At a glance
#ConferenceDatesWhereSpeakersSponsorsBest for
1TEAMZ SUMMIT 2027 10th Anniversary TokyoApril 6, 2027Tokyo, JP9386Seeing the vendor landscape
2CODE BLUE 2026November 17, 2026Tokyo, JP3783Seeing the vendor landscape
3HITEC TOKYO 2026December 2, 2026Tokyo, JP0101Seeing the vendor landscape
4FlutterKaigi 2026October 29, 2026Tokyo, JP2831A focused, smaller program
5Tokyo Test Fest 2026November 12, 2026Tokyo, JP356A deep speaker lineup
6Kaigi on Rails 2026October 16, 2026Tokyo, JP256A focused, smaller program
7Designship 2026October 10, 2026Tokyo, JP448A focused, smaller program
8Open Compliance SummitDecember 10, 2026Tokyo, JP024A focused, smaller program
9Japan IT Week Spring 2027April 7, 2027Tokyo, JP018Networking at scale
10PicoRubyKaigi 2026October 31, 2026Tokyo, JP113A focused, smaller program
  1. 1

    Tokyo, JP·93 voices, 86 sponsors

    Best forSeeing the vendor landscape

    93 speakers, 85% at VP level or above. Sponsors include Deloitte, Circle and TRON. About 10,000 attendees expected.

    Track
  2. 2
    CODE BLUE 2026November 17, 2026

    Tokyo, JP·37 voices, 83 sponsors

    Best forSeeing the vendor landscape

    37 speakers. Sponsors include Google, Bitdefender and Hack The Box.

    Track
  3. 3
    HITEC TOKYO 2026December 2, 2026

    Tokyo, JP·101 sponsors

    Best forSeeing the vendor landscape

    Sponsors include paypal and square. 83 exhibitors.

    Track
  4. 4
    FlutterKaigi 2026October 29, 2026

    Tokyo, JP·28 voices, 31 sponsors

    Best forA focused, smaller program

    28 speakers. Sponsors include RevenueCat Inc., 株式会社hacomono and 株式会社UPSIDER.

    Track
  5. 5
    Tokyo Test Fest 2026November 12, 2026

    Tokyo, JP·35 voices, 6 sponsors

    Best forA deep speaker lineup

    35 speakers. Sponsors include Qase, Autify and AsiaSTA. About 250 attendees expected.

    Track
  6. 6
    Kaigi on Rails 2026October 16, 2026

    Tokyo, JP·2 voices, 56 sponsors

    Best forA focused, smaller program

    2 speakers. Sponsors include SmartHR,Inc., ESM,Inc. and ITANDI,Inc..

    Track
  7. 7
    Designship 2026October 10, 2026

    Tokyo, JP·4 voices, 48 sponsors

    Best forA focused, smaller program

    4 speakers. Sponsors include SOMPOホールディングス株式会社, GMOインターネットグループ株式会社 and GA technologies.

    Track
  8. 8
    Open Compliance SummitDecember 10, 2026

    Tokyo, JP·24 sponsors

    Best forA focused, smaller program

    Sponsors include AWS, Google and Red Hat.

    Track
  9. 9

    Tokyo, JP·18 sponsors

    Best forNetworking at scale

    Sponsors include APAC CIO Outlook, Asia Business Outlook and TechnologyMag. About 60,000 attendees expected.

    Track
  10. 10
    PicoRubyKaigi 2026October 31, 2026

    Tokyo, JP·1 voices, 13 sponsors

    Best forA focused, smaller program

    1 speakers. Sponsors include esa, 株式会社SmartHR and UIAP.

    Track

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Questions

About Tokyo conferences

What are the best Tokyo conferences in 2026?
Ranked by how many speakers and sponsors each event lists on its own site, the top three are TEAMZ SUMMIT 2027 10th Anniversary Tokyo (April 6, 2027, Tokyo, JP), CODE BLUE 2026 (November 17, 2026, Tokyo, JP) and HITEC TOKYO 2026 (December 2, 2026, Tokyo, JP). The ranking above covers 10 events out of 27 upcoming Tokyo conferences we track.
Which Tokyo conference has the most sponsors?
HITEC TOKYO 2026 lists 101 sponsors, the most of any upcoming Tokyo conference we track. It runs December 2, 2026 in Tokyo, JP.
When is the next Tokyo conference?
TinyGo Conference 2026 is next, on October 10, 2026 in Tokyo, JP.
Which Tokyo conferences are accepting speakers?
Calls for speakers are open at GopherCon Japan 2027 (until October 25).
How is this list ranked?
By verified program depth: the number of speakers and sponsors each conference publishes on its own website, which we re-check against the source. No event pays to appear in this ranking.